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313713305 = 595365837
BaseRepresentation
bin10010101100101…
…110001010011001
3210212022021202022
4102230232022121
51120302311210
651043544225
710526343023
oct2254561231
9725267668
10313713305
111510a04a4
128908b075
134ccbc899
142d943013
151c81c155
hex12b2e299

313713305 has 8 divisors (see below), whose sum is σ = 376856712. Its totient is φ = 250703488.

The previous prime is 313713299. The next prime is 313713349. The reversal of 313713305 is 503317313.

It can be written as a sum of positive squares in 4 ways, for example, as 1413721 + 312299584 = 1189^2 + 17672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313713305 - 24 = 313713289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28154 + ... + 37683.

It is an arithmetic number, because the mean of its divisors is an integer number (47107089).

Almost surely, 2313713305 is an apocalyptic number.

It is an amenable number.

313713305 is a deficient number, since it is larger than the sum of its proper divisors (63143407).

313713305 is an equidigital number, since it uses as much as digits as its factorization.

313713305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66795.

The product of its (nonzero) digits is 2835, while the sum is 26.

The square root of 313713305 is about 17711.9537318727. The cubic root of 313713305 is about 679.4815143682.

The spelling of 313713305 in words is "three hundred thirteen million, seven hundred thirteen thousand, three hundred five".

Divisors: 1 5 953 4765 65837 329185 62742661 313713305